That's a very negative view. If Excel were to fix their 1900-is-a-leap-year bug, I'd call that a clear improvement, even though it would break some spreadsheets that work around the bug. Seen through that lens every major version of almost all programming languages would be a deterioration.

yes I tried to not be too aggressive towards yq's authors who surely don't deserve bad words, but at the same time I wanted to express how painful is even the smallest backwards incompatible change to a tool that may end up being used in many tiny dark corners of your automation that everybody forgets to maintain.